![]() ![]() As the corporation's history explains: Upon investigation, Dolby found that many of the limitations in optical sound stemmed directly from its significantly high background noise. Dolby worked more on companding systems and introduced Type B in 1968.ĭolby also sought to improve film sound. These units were intended for use in professional recording studios.ĭolby was persuaded by Henry Kloss of KLH to manufacture a consumer version of his noise reduction. The first product Dolby Labs produced was the Dolby 301 unit which incorporated Type A Dolby Noise Reduction, a compander-based noise reduction system. He moved the company headquarters to the United States ( San Francisco, California) in 1976. The method was first used by Decca Records in the UK. patent on the technology was filed in 1969, four years later. In the same year, he invented the Dolby Noise Reduction system, a form of audio signal processing for reducing the background hissing sound on audio tape recordings. Dolby Labs was founded by Ray Dolby (1933–2013) in London, United Kingdom, in 1965. ![]()
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